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All Journal SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan Sinkron : Jurnal dan Penelitian Teknik Informatika
Mohamad Ihwani, Mohamad
Universitas Negeri Medan
Computer Science & IT Languange, Linguistic, Communication & Media

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MODEL KEAMANAN INFORMASI BERBASIS TANDA TANGAN DIGITAL DENGAN DATA ENCRYTION STANDAR (DES) ALGORITHM Sulaiman, Oris Krianto; Ihwani, Mohamad; Rizki, Salman Fajar
InfoTekJar (Jurnal Nasional Informatika dan Teknologi Jaringan) Vol 1, No 1 (2016): InfoTekJar
Publisher : InfoTekJar (Jurnal Nasional Informatika dan Teknologi Jaringan)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (53.909 KB)

Abstract

Keamanan dan kerahasiaan informasi merupakan hal yang sangat penting, banyak hal yang telah dilakukan agar keamanan dan kerahasiaan informasi ini terjaga dengan utuh , salah satunya dengan menggunakan teknik kriptografi, kriptografi berperan untuk menjaga kemanan informasi dengan menyandikan informasi tersebut, salah satu algoritma kriptografi untuk penyandian yaitu DES, dimana DES akan melakukan pengacakan berdasarkan s-box hingga 16 putaran, selain menjaga kemanan dan kerahasiaan diperlukan juga nirpenyangkalan dengan menggunakan digital signature algorithm (DSA) atau tanda tangan digital yang mana bertujuan untuk melakukan verifikasi apakah pesan atau informasi tersebut diterima dalam keadaan asli dari pengiriman atau telah dimodifikasi sehingga pesan atau informasi tersebut tidaklah asli.
Analisis Perbandingan Penggunaan Metric Cost dan Bandwidth Pada Routing Protocol OSPF Sulaiman, Oris Krianto; Ihwani, Mohamad
Sinkron : jurnal dan penelitian teknik informatika Vol. 1 No. 2 (2017): SinkrOn Volume 1 Nomor 2 April 2017
Publisher : Politeknik Ganesha Medan

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Abstract

Dalam sebuah jaringan berskala besar dibutuhkan router yang yang saling terhubung untuk menghubungkan network yang berbeda pada setiap lokasi nya, proses untuk menghubungkan tiap network yang berbeda ini disebut dengan routing. Routing tersebut mempunyai protocol-protocol pilihan yang setiap protocol ini mempunyai kelebihan dan kekurangan, Open Shortest Path First (OSPF) merupakan salah satu routing protocol yang termasuk ke dalam dynamic routing protocol yang efisien karna menggunakan metric yang dapat diatur sesuai dengan kebutuhan, pada penelitian ini akan di analisis protocol routing OSPF dengan menggunakan metric berupa cost dan bandwidth. Perbandingan ini nantinya akan membahas bagaimana metric OSPF yang menggunakan cost dan metric OSPF dengan menggunakan bandwidth serta gabungan keduanya, OSPF akan mencari jalur terbaik berdasarkan metric tersebut.
KEMAMPUAN GURU MENGELOLA KELAS TERHADAP PROSES PEMBELAJARAN Ampera, Dina; Rambe, Nana Ronawan; Ihwani, Mohamad; Erlando, Rizki
SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED Vol 14, No 2 JUNI (2024): SHOOL EDUCATION JOURNAL PGSD FIP UNIMED
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/sejpgsd.v14i2.60043

Abstract

This research was conducted to study how teachers manage the classroom and its impact on the learning process. This research uses qualitative methods, which collect descriptive data in the form of written and spoken words from observations of teacher and student behavior in the classroom. The researcher used purposive sampling technique to obtain the required information. The research subjects were fififth-grade teachers and supporting subjects are students and school principals. The research results show that teachers at MI Terpadu Almadinah have good abilities in managing class V, especially in applying class management principles such as creating a warm and enthusiastic atmosphere, providing challenging and varied material, flexible cooling, emphasizing positive things, and foster self-discipline in students. Teachers are also able to design a positive learning process and physical classroom environment. However, there are still obstacles in using media methods and classroom equipment.
KEMAMPUAN GURU MENGELOLA KELAS TERHADAP PROSES PEMBELAJARAN Ampera, Dina; Rambe, Nana Ronawan; Ihwani, Mohamad; Erlando, Rizki
SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED Vol. 14 No. 2 (2024): SCHOOL EDUCATION JOURNAL PGSD FIP UNIMED
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/sejpgsd.v14i2.60043

Abstract

This research was conducted to study how teachers manage the classroom and its impact on the learning process. This research uses qualitative methods, which collect descriptive data in the form of written and spoken words from observations of teacher and student behavior in the classroom. The researcher used purposive sampling technique to obtain the required information. The research subjects were fififth-grade teachers and supporting subjects are students and school principals. The research results show that teachers at MI Terpadu Almadinah have good abilities in managing class V, especially in applying class management principles such as creating a warm and enthusiastic atmosphere, providing challenging and varied material, flexible cooling, emphasizing positive things, and foster self-discipline in students. Teachers are also able to design a positive learning process and physical classroom environment. However, there are still obstacles in using media methods and classroom equipment.
Co-Authors DINA AMPERA Erlando, Rizki Oris Krianto Sulaiman Rambe, Nana Ronawan Salman Fajar Rizki, Salman Fajar